projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 19966b15 KB |
1 | /* |
| 2 | * Copyright (c) 1987 Regents of the University of California. | |
| 3 | * All rights reserved. The Berkeley software License Agreement | |
| 4 | * specifies the terms and conditions for redistribution. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef lint | |
| 8 | static char sccsid[] = "@(#)fortran.c 5.1 (Berkeley) %G%"; | |
| 9 | #endif not lint | |
| 10 | ||
| 11 | #include <ctags.h> | |
| 12 | #include <strings.h> | |
| 13 | ||
| 14 | char *lbp; /* line buffer pointer */ | |
| 15 | ||
| 16 | PF_funcs() | |
| 17 | { | |
| 18 | register bool pfcnt; /* pascal/fortran functions found */ | |
| 19 | register char *cp; | |
| 20 | char tok[MAXTOKEN], | |
| 21 | *gettoken(); | |
| 22 | ||
| 23 | for (pfcnt = NO;;) { | |
| 24 | lineftell = ftell(inf); | |
| 25 | if (!fgets(lbuf,sizeof(lbuf),inf)) | |
| 26 | return(pfcnt); | |
| 27 | ++lineno; | |
| 28 | lbp = lbuf; | |
| 29 | if (*lbp == '%') /* Ratfor escape to fortran */ | |
| 30 | ++lbp; | |
| 31 | for (;isspace(*lbp);++lbp); | |
| 32 | if (!*lbp) | |
| 33 | continue; | |
| 34 | switch (*lbp | ' ') { /* convert to lower-case */ | |
| 35 | case 'c': | |
| 36 | if (cicmp("complex") || cicmp("character")) | |
| 37 | takeprec(); | |
| 38 | break; | |
| 39 | case 'd': | |
| 40 | if (cicmp("double")) { | |
| 41 | for (;isspace(*lbp);++lbp); | |
| 42 | if (!*lbp) | |
| 43 | continue; | |
| 44 | if (cicmp("precision")) | |
| 45 | break; | |
| 46 | continue; | |
| 47 | } | |
| 48 | break; | |
| 49 | case 'i': | |
| 50 | if (cicmp("integer")) | |
| 51 | takeprec(); | |
| 52 | break; | |
| 53 | case 'l': | |
| 54 | if (cicmp("logical")) | |
| 55 | takeprec(); | |
| 56 | break; | |
| 57 | case 'r': | |
| 58 | if (cicmp("real")) | |
| 59 | takeprec(); | |
| 60 | break; | |
| 61 | } | |
| 62 | for (;isspace(*lbp);++lbp); | |
| 63 | if (!*lbp) | |
| 64 | continue; | |
| 65 | switch (*lbp | ' ') { | |
| 66 | case 'f': | |
| 67 | if (cicmp("function")) | |
| 68 | break; | |
| 69 | continue; | |
| 70 | case 'p': | |
| 71 | if (cicmp("program") || cicmp("procedure")) | |
| 72 | break; | |
| 73 | continue; | |
| 74 | case 's': | |
| 75 | if (cicmp("subroutine")) | |
| 76 | break; | |
| 77 | default: | |
| 78 | continue; | |
| 79 | } | |
| 80 | for (;isspace(*lbp);++lbp); | |
| 81 | if (!*lbp) | |
| 82 | continue; | |
| 83 | for (cp = lbp + 1;*cp && intoken(*cp);++cp); | |
| 84 | if (cp = lbp + 1) | |
| 85 | continue; | |
| 86 | *cp = EOS; | |
| 87 | (void)strcpy(tok,lbp); | |
| 88 | getline(); /* process line for ex(1) */ | |
| 89 | pfnote(tok,lineno); | |
| 90 | pfcnt = YES; | |
| 91 | } | |
| 92 | /*NOTREACHED*/ | |
| 93 | } | |
| 94 | ||
| 95 | /* | |
| 96 | * cicmp -- | |
| 97 | * do case-independent strcmp | |
| 98 | */ | |
| 99 | cicmp(cp) | |
| 100 | register char *cp; | |
| 101 | { | |
| 102 | register int len; | |
| 103 | register char *bp; | |
| 104 | ||
| 105 | for (len = 0,bp = lbp;*cp && (*cp &~ ' ') == (*bp++ &~ ' '); | |
| 106 | ++cp,++len); | |
| 107 | if (!*cp) { | |
| 108 | lbp += len; | |
| 109 | return(YES); | |
| 110 | } | |
| 111 | return(NO); | |
| 112 | } | |
| 113 | ||
| 114 | static | |
| 115 | takeprec() | |
| 116 | { | |
| 117 | for (;isspace(*lbp);++lbp); | |
| 118 | if (*lbp == '*') { | |
| 119 | for (++lbp;isspace(*lbp);++lbp); | |
| 120 | if (!isdigit(*lbp)) | |
| 121 | --lbp; /* force failure */ | |
| 122 | else | |
| 123 | while (isdigit(*++lbp)); | |
| 124 | } | |
| 125 | } |